having a layered structure

Full Title

Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells > Separators; Membranes; Diaphragms; Spacing elements inside cells > Separators, membranes or diaphragms characterised by the material > having a layered structure

Child Classifications

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• H01M 50/451 comprising layers of only organic material and layers containing inorganic material
• H01M 50/454 comprising a non-fibrous layer and a fibrous layer superimposed on one another
• H01M 50/457 comprising three or more layers